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Popular >

simplify (5x^7)(4x^2)

Solution

simplify

(5 x^{7}) (4 x^{2})

Solution

20 x^{9}

Solution steps

(5 x^{7}) (4 x^{2})

Apply exponent rule:

a^{b} \cdot a^{c} = a^{b + c}

x^{7} x^{2} = x^{7 + 2}

= 5 \cdot 4 x^{7 + 2}

Add the numbers:

7 + 2 = 9

= 5 \cdot 4 x^{9}

Multiply the numbers:

5 \cdot 4 = 20

= 20 x^{9}

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Frequently Asked Questions (FAQ)

What is (5x^7)(4x^2) ?
The solution to (5x^7)(4x^2) is 20x^9